Here we have an event log file produced by a Friends service, e.g.: Given a list of all users and the logs above, implement a function that returns the earliest timestamp at which every user became reachable from every other user via friendship connections (i.e., when the social graph first became fully connected).If the graph…

You are given a list of integers A and an integer N. Implement a functioncountTriplets(A, N) that returns the number of unique triplets that can be created from A whose elements sum to ≤ N. Triplets are order-insensitive (so the order you choose the elements doesn’t matter) and elements may include duplicate values if A…